China Non-powered Mask factory Our History ZHEJIANG QUZHOU RONGBO MEDICAL INSTRUMENT CO., LTD. was established in 1997, located in Quzhou City ,Zhejiang Province. It covers an area of about 13000 square meters, with American,Mid-East,AfricanChina Non-powered Mask factory website:http://www.rongbo-medical.com/ website2:http://www.rongbohealthy.com/